Home / 11,657,067.70-17,485,601.55-7,405,539.70

Finding the Fourth Proportional to 11,657,067.70, 17,485,601.55 and 7,405,539.70

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Solution

The fourth proportional to 11,657,067.70, 17,485,601.55 and 7,405,539.70 is: 11,108,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,067.70 : 17,485,601.55 = 7,405,539.70 : x
  2. Step 2: Convert to fraction form
    11,657,067.70/17,485,601.55 = 7,405,539.70/x
  3. Step 3: Cross multiply
    11,657,067.70x = 17,485,601.55 × 7,405,539.70
  4. Step 4: Simplify right side
    11,657,067.70x = 129,490,316,456,906.55
  5. Step 5: Solve for x
    x = 129,490,316,456,906.55/11,657,067.70
  6. Step 6: Final answer
    x = 11,108,309.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.